WSALookupServiceNextW

// WS2_32.dll  (Unicode / -W)
#include <windows.h>

INT WSALookupServiceNextW(
    HANDLE hLookup,
    DWORD dwControlFlags,
    DWORD* lpdwBufferLength,
    WSAQUERYSETW* lpqsResults   // optional
);

<DllImport("WS2_32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSALookupServiceNextW(
    hLookup As IntPtr,   ' HANDLE
    dwControlFlags As UInteger,   ' DWORD
    ByRef lpdwBufferLength As UInteger,   ' DWORD* in/out
    lpqsResults As IntPtr   ' WSAQUERYSETW* optional, out
) As Integer
End Function

' hLookup : HANDLE
' dwControlFlags : DWORD
' lpdwBufferLength : DWORD* in/out
' lpqsResults : WSAQUERYSETW* optional, out
Declare PtrSafe Function WSALookupServiceNextW Lib "ws2_32" ( _
    ByVal hLookup As LongPtr, _
    ByVal dwControlFlags As Long, _
    ByRef lpdwBufferLength As Long, _
    ByVal lpqsResults As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WSALookupServiceNextW = ctypes.windll.ws2_32.WSALookupServiceNextW
WSALookupServiceNextW.restype = ctypes.c_int
WSALookupServiceNextW.argtypes = [
    wintypes.HANDLE,  # hLookup : HANDLE
    wintypes.DWORD,  # dwControlFlags : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpdwBufferLength : DWORD* in/out
    ctypes.c_void_p,  # lpqsResults : WSAQUERYSETW* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSALookupServiceNextW = Fiddle::Function.new(
  lib['WSALookupServiceNextW'],
  [
    Fiddle::TYPE_VOIDP,  # hLookup : HANDLE
    -Fiddle::TYPE_INT,  # dwControlFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpdwBufferLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpqsResults : WSAQUERYSETW* optional, out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "ws2_32")]
extern "system" {
    fn WSALookupServiceNextW(
        hLookup: *mut core::ffi::c_void,  // HANDLE
        dwControlFlags: u32,  // DWORD
        lpdwBufferLength: *mut u32,  // DWORD* in/out
        lpqsResults: *mut WSAQUERYSETW  // WSAQUERYSETW* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern int WSALookupServiceNextW(IntPtr hLookup, uint dwControlFlags, ref uint lpdwBufferLength, IntPtr lpqsResults);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSALookupServiceNextW' -Namespace Win32 -PassThru
# $api::WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)

#uselib "WS2_32.dll"
#func global WSALookupServiceNextW "WSALookupServiceNextW" wptr, wptr, wptr, wptr
; WSALookupServiceNextW hLookup, dwControlFlags, varptr(lpdwBufferLength), varptr(lpqsResults)   ; 戻り値は stat
; hLookup : HANDLE -> "wptr"
; dwControlFlags : DWORD -> "wptr"
; lpdwBufferLength : DWORD* in/out -> "wptr"
; lpqsResults : WSAQUERYSETW* optional, out -> "wptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWSALookupServiceNextW = ws2_32.NewProc("WSALookupServiceNextW")
)

// hLookup (HANDLE), dwControlFlags (DWORD), lpdwBufferLength (DWORD* in/out), lpqsResults (WSAQUERYSETW* optional, out)
r1, _, err := procWSALookupServiceNextW.Call(
	uintptr(hLookup),
	uintptr(dwControlFlags),
	uintptr(lpdwBufferLength),
	uintptr(lpqsResults),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSALookupServiceNextW(
  hLookup: THandle;   // HANDLE
  dwControlFlags: DWORD;   // DWORD
  lpdwBufferLength: Pointer;   // DWORD* in/out
  lpqsResults: Pointer   // WSAQUERYSETW* optional, out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSALookupServiceNextW';

result := DllCall("WS2_32\WSALookupServiceNextW"
    , "Ptr", hLookup   ; HANDLE
    , "UInt", dwControlFlags   ; DWORD
    , "Ptr", lpdwBufferLength   ; DWORD* in/out
    , "Ptr", lpqsResults   ; WSAQUERYSETW* optional, out
    , "Int")   ; return: INT

●WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults) = DLL("WS2_32.dll", "int WSALookupServiceNextW(void*, dword, void*, void*)")
# 呼び出し: WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)
# hLookup : HANDLE -> "void*"
# dwControlFlags : DWORD -> "dword"
# lpdwBufferLength : DWORD* in/out -> "void*"
# lpqsResults : WSAQUERYSETW* optional, out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "ws2_32" fn WSALookupServiceNextW(
    hLookup: ?*anyopaque, // HANDLE
    dwControlFlags: u32, // DWORD
    lpdwBufferLength: [*c]u32, // DWORD* in/out
    lpqsResults: [*c]WSAQUERYSETW // WSAQUERYSETW* optional, out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc WSALookupServiceNextW(
    hLookup: pointer,  # HANDLE
    dwControlFlags: uint32,  # DWORD
    lpdwBufferLength: ptr uint32,  # DWORD* in/out
    lpqsResults: ptr WSAQUERYSETW  # WSAQUERYSETW* optional, out
): int32 {.importc: "WSALookupServiceNextW", stdcall, dynlib: "WS2_32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "ws2_32");
extern(Windows)
int WSALookupServiceNextW(
    void* hLookup,   // HANDLE
    uint dwControlFlags,   // DWORD
    uint* lpdwBufferLength,   // DWORD* in/out
    WSAQUERYSETW* lpqsResults   // WSAQUERYSETW* optional, out
);

ccall((:WSALookupServiceNextW, "WS2_32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, Ptr{UInt32}, Ptr{WSAQUERYSETW}),
      hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)
# hLookup : HANDLE -> Ptr{Cvoid}
# dwControlFlags : DWORD -> UInt32
# lpdwBufferLength : DWORD* in/out -> Ptr{UInt32}
# lpqsResults : WSAQUERYSETW* optional, out -> Ptr{WSAQUERYSETW}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t WSALookupServiceNextW(
    void* hLookup,
    uint32_t dwControlFlags,
    uint32_t* lpdwBufferLength,
    void* lpqsResults);
]]
local ws2_32 = ffi.load("ws2_32")
-- ws2_32.WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)
-- hLookup : HANDLE
-- dwControlFlags : DWORD
-- lpdwBufferLength : DWORD* in/out
-- lpqsResults : WSAQUERYSETW* optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('WS2_32.dll');
const WSALookupServiceNextW = lib.func('__stdcall', 'WSALookupServiceNextW', 'int32_t', ['void *', 'uint32_t', 'uint32_t *', 'void *']);
// WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)
// hLookup : HANDLE -> 'void *'
// dwControlFlags : DWORD -> 'uint32_t'
// lpdwBufferLength : DWORD* in/out -> 'uint32_t *'
// lpqsResults : WSAQUERYSETW* optional, out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("WS2_32.dll", {
  WSALookupServiceNextW: { parameters: ["pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults)
// hLookup : HANDLE -> "pointer"
// dwControlFlags : DWORD -> "u32"
// lpdwBufferLength : DWORD* in/out -> "pointer"
// lpqsResults : WSAQUERYSETW* optional, out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t WSALookupServiceNextW(
    void* hLookup,
    uint32_t dwControlFlags,
    uint32_t* lpdwBufferLength,
    void* lpqsResults);
C, "WS2_32.dll");
// $ffi->WSALookupServiceNextW(hLookup, dwControlFlags, lpdwBufferLength, lpqsResults);
// hLookup : HANDLE
// dwControlFlags : DWORD
// lpdwBufferLength : DWORD* in/out
// lpqsResults : WSAQUERYSETW* optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Ws2_32 extends StdCallLibrary {
    Ws2_32 INSTANCE = Native.load("ws2_32", Ws2_32.class, W32APIOptions.UNICODE_OPTIONS);
    int WSALookupServiceNextW(
        Pointer hLookup,   // HANDLE
        int dwControlFlags,   // DWORD
        IntByReference lpdwBufferLength,   // DWORD* in/out
        Pointer lpqsResults   // WSAQUERYSETW* optional, out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("ws2_32")]
lib LibWS2_32
  fun WSALookupServiceNextW = WSALookupServiceNextW(
    hLookup : Void*,   # HANDLE
    dwControlFlags : UInt32,   # DWORD
    lpdwBufferLength : UInt32*,   # DWORD* in/out
    lpqsResults : WSAQUERYSETW*   # WSAQUERYSETW* optional, out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WSALookupServiceNextWNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Void>);
typedef WSALookupServiceNextWDart = int Function(Pointer<Void>, int, Pointer<Uint32>, Pointer<Void>);
final WSALookupServiceNextW = DynamicLibrary.open('WS2_32.dll')
    .lookupFunction<WSALookupServiceNextWNative, WSALookupServiceNextWDart>('WSALookupServiceNextW');
// hLookup : HANDLE -> Pointer<Void>
// dwControlFlags : DWORD -> Uint32
// lpdwBufferLength : DWORD* in/out -> Pointer<Uint32>
// lpqsResults : WSAQUERYSETW* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WSALookupServiceNextW(
  hLookup: THandle;   // HANDLE
  dwControlFlags: DWORD;   // DWORD
  lpdwBufferLength: Pointer;   // DWORD* in/out
  lpqsResults: Pointer   // WSAQUERYSETW* optional, out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSALookupServiceNextW';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WSALookupServiceNextW"
  c_WSALookupServiceNextW :: Ptr () -> Word32 -> Ptr Word32 -> Ptr () -> IO Int32
-- hLookup : HANDLE -> Ptr ()
-- dwControlFlags : DWORD -> Word32
-- lpdwBufferLength : DWORD* in/out -> Ptr Word32
-- lpqsResults : WSAQUERYSETW* optional, out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let wsalookupservicenextw =
  foreign "WSALookupServiceNextW"
    ((ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* hLookup : HANDLE -> (ptr void) *)
(* dwControlFlags : DWORD -> uint32_t *)
(* lpdwBufferLength : DWORD* in/out -> (ptr uint32_t) *)
(* lpqsResults : WSAQUERYSETW* optional, out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library ws2_32 (t "WS2_32.dll"))
(cffi:use-foreign-library ws2_32)

(cffi:defcfun ("WSALookupServiceNextW" wsalookup-service-next-w :convention :stdcall) :int32
  (h-lookup :pointer)   ; HANDLE
  (dw-control-flags :uint32)   ; DWORD
  (lpdw-buffer-length :pointer)   ; DWORD* in/out
  (lpqs-results :pointer))   ; WSAQUERYSETW* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WSALookupServiceNextW = Win32::API::More->new('WS2_32',
    'int WSALookupServiceNextW(HANDLE hLookup, DWORD dwControlFlags, LPVOID lpdwBufferLength, LPVOID lpqsResults)');
# my $ret = $WSALookupServiceNextW->Call($hLookup, $dwControlFlags, $lpdwBufferLength, $lpqsResults);
# hLookup : HANDLE -> HANDLE
# dwControlFlags : DWORD -> DWORD
# lpdwBufferLength : DWORD* in/out -> LPVOID
# lpqsResults : WSAQUERYSETW* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。